XML 75 R62.htm IDEA: XBRL DOCUMENT v3.4.0.3
Stock-Based Compensation (Restricted Shares) (Details) - Restricted Shares - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total intrinsic value of awards released in period $ 3.5 $ 1.7
Time-Based Vesting    
Number of Shares (in shares)    
Outstanding at January 1 30,734  
Awarded 0  
Released 0  
Forfeited 2,000  
March 31, 2016 28,734  
Weighted - Average Grant Date Fair Value (in dollars per share)    
Outstanding at January 1 $ 21.76  
Awarded 0.00  
Released 0.00  
Forfeited 21.92  
March 31, 2016 $ 21.75  
Performance-Based Vesting    
Number of Shares (in shares)    
Outstanding at January 1 158,763  
Awarded 35,500  
Released 41,028  
Forfeited 810  
March 31, 2016 152,425  
Weighted - Average Grant Date Fair Value (in dollars per share)    
Outstanding at January 1 $ 22.86  
Awarded 17.86  
Released 21.74  
Forfeited 23.44  
March 31, 2016 $ 21.99  
Performance-Based Vesting    
Number of Shares (in shares)    
Awarded 35,500